Metric-Thread-Repair-Kit-Extra-Fine-M12-0-1-25-Pitch-10-Inserts-Recoil-38128-p-Recoil-inserts-are-the-quick-&-easy-way-to-repair-damaged-threads-or-creating-stronger-original-threads-in-alloys-&-composite-materials-in-original-equipment-manufacture-br-Made-from-corrosion-resistant-stainless-steel-they-create-stronger-threads-in-most-materials-&-simplifiy-changeover-from-unified-to-metric-or-vice-versa-p-p-Recoil-thread-repair-kits-contain-a-quality-HSS-tap-Installation-too